<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=, initial-scale=1.0">
    <title>循环添加事件</title>
</head>
<body>
    <!-- <button id="add">Add</button> -->
    <button>按钮1</button>
    <button>按钮2</button>
    <button>按钮3</button>
    
    <script src='06-add-event-loop.js'></script>
    <script>
        // function test() {
        //     for (let i = 0; i< 1000000; i++) {
                
        //     }
        // }
    </script>
</body>
</html>